Technical Archive

Grand Seiko
Quartz SBGX202— lug 20mm

Grand Seiko Quartz SBGX202: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Quartz Date Stainless Steel / Yellow Gold / Silver / Bracelet

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Grand Seiko SBGX202
Lug Width
20 mm

The essential strap measurement.

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Reference

SBGX202

Movement

Grand Seiko caliber 9F62 Hours, Minutes, Seconds | Date

The Heritage

The Grand Seiko SBGX202 is powered by the 9F62 quartz calibre with hour, minute, second and date indication. The 9F62 movement represents the high-end quartz technology developed by Grand Seiko. The reference belongs to the Quartz collection of the Japanese brand.

FAQ

What is the lug width of the Grand Seiko Quartz SBGX202?

The SBGX202 features a <a href="https://milanostraps.it/pages/termine-glossario/misura-ansa">lug width of 20mm</a>, a defining characteristic of Grand Seiko Quartz models from this generation. This measurement is verified in the official documentation and can be confirmed by measuring the distance between the case lugs. The 20mm width ensures elegant proportions on the 36.5mm case, maintaining visual balance across all wrist sizes.

Which strap material is most suitable for this watch?

For the SBGX202, we recommend straps in satin <a href="https://milanostraps.it/pages/termine-glossario/alligatore">alligator leather</a>, vegetable-tanned calf leather, or technical rubber. Alligator amplifies the luxury of the yellow gold and stainless steel case, whilst calf leather with <a href="https://milanostraps.it/pages/termine-glossario/concia-vegetale">vegetable tanning</a> emphasises the minimalist Japanese design philosophy. Technical rubber is the ideal choice for a sport-elegant context, providing comfort and breathability.

How do I change the strap on the Grand Seiko Quartz SBGX202?

The SBGX202 strap is secured with spring bars: gently push the spring bar lever towards the centre of the case using a dedicated spring bar tool to remove the current strap, then insert the new strap. The operation requires precision to avoid scratching the case. We recommend having the replacement performed by a trusted watchmaker, or contacting the Casati Milano atelier for professional service with warranty.

Can I use an aftermarket strap on the SBGX202?

Absolutely. The SBGX202 accepts any quality 20mm strap with compatible spring bars. Milano Straps <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm lug width straps</a> are fully compatible and available in multiple finishes. Aftermarket straps allow personalisation of the watch according to your aesthetic and usage preferences, whilst maintaining the movement warranty integrity.

How long does a leather strap last on the Grand Seiko Quartz SBGX202?

Leather strap longevity depends on usage intensity, climate, and maintenance. A <a href="https://milanostraps.it/pages/termine-glossario/shell-cordovan">shell cordovan</a> or premium calf strap ensures 3-5 years of daily wear if kept dry and periodically treated with specific balms. Technical rubber straps offer superior durability (5-7 years), whilst NATO fabric models require more frequent replacement (2-3 years). Milano Straps provides straps with 18-month warranty and technical maintenance assistance.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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By appointment only · Milan

The atelier's website: casatimilano.com